Home / 153,320.16-229,706.64-83,154.72

Finding the Fourth Proportional to 153,320.16, 229,706.64 and 83,154.72

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Solution

The fourth proportional to 153,320.16, 229,706.64 and 83,154.72 is: 124,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,320.16 : 229,706.64 = 83,154.72 : x
  2. Step 2: Convert to fraction form
    153,320.16/229,706.64 = 83,154.72/x
  3. Step 3: Cross multiply
    153,320.16x = 229,706.64 × 83,154.72
  4. Step 4: Simplify right side
    153,320.16x = 19,101,191,331.34
  5. Step 5: Solve for x
    x = 19,101,191,331.34/153,320.16
  6. Step 6: Final answer
    x = 124,583.69

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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.