Home / 210,677.73-316,048.07-77,547.87

Finding the Fourth Proportional to 210,677.73, 316,048.07 and 77,547.87

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Solution

The fourth proportional to 210,677.73, 316,048.07 and 77,547.87 is: 116,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,677.73 : 316,048.07 = 77,547.87 : x
  2. Step 2: Convert to fraction form
    210,677.73/316,048.07 = 77,547.87/x
  3. Step 3: Cross multiply
    210,677.73x = 316,048.07 × 77,547.87
  4. Step 4: Simplify right side
    210,677.73x = 24,508,854,646.11
  5. Step 5: Solve for x
    x = 24,508,854,646.11/210,677.73
  6. Step 6: Final answer
    x = 116,333.39

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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.