Home / 152,001.72-209,756.12-88,334.64

Finding the Fourth Proportional to 152,001.72, 209,756.12 and 88,334.64

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Solution

The fourth proportional to 152,001.72, 209,756.12 and 88,334.64 is: 121,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,001.72 : 209,756.12 = 88,334.64 : x
  2. Step 2: Convert to fraction form
    152,001.72/209,756.12 = 88,334.64/x
  3. Step 3: Cross multiply
    152,001.72x = 209,756.12 × 88,334.64
  4. Step 4: Simplify right side
    152,001.72x = 18,528,730,906.32
  5. Step 5: Solve for x
    x = 18,528,730,906.32/152,001.72
  6. Step 6: Final answer
    x = 121,898.17

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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.