Home / 145,897.17-218,845.55-57,088.35

Finding the Fourth Proportional to 145,897.17, 218,845.55 and 57,088.35

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Solution

The fourth proportional to 145,897.17, 218,845.55 and 57,088.35 is: 85,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,897.17 : 218,845.55 = 57,088.35 : x
  2. Step 2: Convert to fraction form
    145,897.17/218,845.55 = 57,088.35/x
  3. Step 3: Cross multiply
    145,897.17x = 218,845.55 × 57,088.35
  4. Step 4: Simplify right side
    145,897.17x = 12,493,531,068.90
  5. Step 5: Solve for x
    x = 12,493,531,068.90/145,897.17
  6. Step 6: Final answer
    x = 85,632.44

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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.