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Finding the Fourth Proportional to 185,155.48, 277,802.40 and 72,913.95

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Solution

The fourth proportional to 185,155.48, 277,802.40 and 72,913.95 is: 109,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,155.48 : 277,802.40 = 72,913.95 : x
  2. Step 2: Convert to fraction form
    185,155.48/277,802.40 = 72,913.95/x
  3. Step 3: Cross multiply
    185,155.48x = 277,802.40 × 72,913.95
  4. Step 4: Simplify right side
    185,155.48x = 20,255,671,502.29
  5. Step 5: Solve for x
    x = 20,255,671,502.29/185,155.48
  6. Step 6: Final answer
    x = 109,398.17

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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.