Home / 145,897.38-218,869.40-61,658.36

Finding the Fourth Proportional to 145,897.38, 218,869.40 and 61,658.36

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Solution

The fourth proportional to 145,897.38, 218,869.40 and 61,658.36 is: 92,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,897.38 : 218,869.40 = 61,658.36 : x
  2. Step 2: Convert to fraction form
    145,897.38/218,869.40 = 61,658.36/x
  3. Step 3: Cross multiply
    145,897.38x = 218,869.40 × 61,658.36
  4. Step 4: Simplify right side
    145,897.38x = 13,495,128,258.18
  5. Step 5: Solve for x
    x = 13,495,128,258.18/145,897.38
  6. Step 6: Final answer
    x = 92,497.40

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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.