Home / 90,088.32-124,272-52,358.40

Finding the Fourth Proportional to 90,088.32, 124,272 and 52,358.40

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Solution

The fourth proportional to 90,088.32, 124,272 and 52,358.40 is: 72,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,088.32 : 124,272 = 52,358.40 : x
  2. Step 2: Convert to fraction form
    90,088.32/124,272 = 52,358.40/x
  3. Step 3: Cross multiply
    90,088.32x = 124,272 × 52,358.40
  4. Step 4: Simplify right side
    90,088.32x = 6,506,683,084.80
  5. Step 5: Solve for x
    x = 6,506,683,084.80/90,088.32
  6. Step 6: Final answer
    x = 72,225.60

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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.