Home / 140,302.74-193,681.52-89,385.30

Finding the Fourth Proportional to 140,302.74, 193,681.52 and 89,385.30

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Solution

The fourth proportional to 140,302.74, 193,681.52 and 89,385.30 is: 123,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,302.74 : 193,681.52 = 89,385.30 : x
  2. Step 2: Convert to fraction form
    140,302.74/193,681.52 = 89,385.30/x
  3. Step 3: Cross multiply
    140,302.74x = 193,681.52 × 89,385.30
  4. Step 4: Simplify right side
    140,302.74x = 17,312,280,769.66
  5. Step 5: Solve for x
    x = 17,312,280,769.66/140,302.74
  6. Step 6: Final answer
    x = 123,392.32

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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.