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Finding the Fourth Proportional to 144,547.61, 216,505.71 and 60,051.65

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Solution

The fourth proportional to 144,547.61, 216,505.71 and 60,051.65 is: 89,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,547.61 : 216,505.71 = 60,051.65 : x
  2. Step 2: Convert to fraction form
    144,547.61/216,505.71 = 60,051.65/x
  3. Step 3: Cross multiply
    144,547.61x = 216,505.71 × 60,051.65
  4. Step 4: Simplify right side
    144,547.61x = 13,001,524,037.39
  5. Step 5: Solve for x
    x = 13,001,524,037.39/144,547.61
  6. Step 6: Final answer
    x = 89,946.31

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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.