Home / 152,024.32-209,852.76-136,081.20

Finding the Fourth Proportional to 152,024.32, 209,852.76 and 136,081.20

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Solution

The fourth proportional to 152,024.32, 209,852.76 and 136,081.20 is: 187,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,024.32 : 209,852.76 = 136,081.20 : x
  2. Step 2: Convert to fraction form
    152,024.32/209,852.76 = 136,081.20/x
  3. Step 3: Cross multiply
    152,024.32x = 209,852.76 × 136,081.20
  4. Step 4: Simplify right side
    152,024.32x = 28,557,015,404.11
  5. Step 5: Solve for x
    x = 28,557,015,404.11/152,024.32
  6. Step 6: Final answer
    x = 187,845.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.