Home / 170,423.20-255,612.40-52,106.40

Finding the Fourth Proportional to 170,423.20, 255,612.40 and 52,106.40

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Solution

The fourth proportional to 170,423.20, 255,612.40 and 52,106.40 is: 78,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423.20 : 255,612.40 = 52,106.40 : x
  2. Step 2: Convert to fraction form
    170,423.20/255,612.40 = 52,106.40/x
  3. Step 3: Cross multiply
    170,423.20x = 255,612.40 × 52,106.40
  4. Step 4: Simplify right side
    170,423.20x = 13,319,041,959.36
  5. Step 5: Solve for x
    x = 13,319,041,959.36/170,423.20
  6. Step 6: Final answer
    x = 78,152.75

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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.