Home / 210,677.08-316,047.08-77,547.21

Finding the Fourth Proportional to 210,677.08, 316,047.08 and 77,547.21

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Solution

The fourth proportional to 210,677.08, 316,047.08 and 77,547.21 is: 116,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,677.08 : 316,047.08 = 77,547.21 : x
  2. Step 2: Convert to fraction form
    210,677.08/316,047.08 = 77,547.21/x
  3. Step 3: Cross multiply
    210,677.08x = 316,047.08 × 77,547.21
  4. Step 4: Simplify right side
    210,677.08x = 24,508,570,957.99
  5. Step 5: Solve for x
    x = 24,508,570,957.99/210,677.08
  6. Step 6: Final answer
    x = 116,332.40

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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.