Home / 153,273.18-211,397.17-99,575.50

Finding the Fourth Proportional to 153,273.18, 211,397.17 and 99,575.50

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Solution

The fourth proportional to 153,273.18, 211,397.17 and 99,575.50 is: 137,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.18 : 211,397.17 = 99,575.50 : x
  2. Step 2: Convert to fraction form
    153,273.18/211,397.17 = 99,575.50/x
  3. Step 3: Cross multiply
    153,273.18x = 211,397.17 × 99,575.50
  4. Step 4: Simplify right side
    153,273.18x = 21,049,977,346.47
  5. Step 5: Solve for x
    x = 21,049,977,346.47/153,273.18
  6. Step 6: Final answer
    x = 137,336.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.