Home / 147,001.67-220,225.03-86,850.66

Finding the Fourth Proportional to 147,001.67, 220,225.03 and 86,850.66

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Solution

The fourth proportional to 147,001.67, 220,225.03 and 86,850.66 is: 130,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001.67 : 220,225.03 = 86,850.66 : x
  2. Step 2: Convert to fraction form
    147,001.67/220,225.03 = 86,850.66/x
  3. Step 3: Cross multiply
    147,001.67x = 220,225.03 × 86,850.66
  4. Step 4: Simplify right side
    147,001.67x = 19,126,688,769.77
  5. Step 5: Solve for x
    x = 19,126,688,769.77/147,001.67
  6. Step 6: Final answer
    x = 130,112.06

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1.5x scale

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.