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Finding the Fourth Proportional to 170,016.10, 255,024.15 and 102,364.90

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Solution

The fourth proportional to 170,016.10, 255,024.15 and 102,364.90 is: 153,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,016.10 : 255,024.15 = 102,364.90 : x
  2. Step 2: Convert to fraction form
    170,016.10/255,024.15 = 102,364.90/x
  3. Step 3: Cross multiply
    170,016.10x = 255,024.15 × 102,364.90
  4. Step 4: Simplify right side
    170,016.10x = 26,105,521,612.34
  5. Step 5: Solve for x
    x = 26,105,521,612.34/170,016.10
  6. Step 6: Final answer
    x = 153,547.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.