Home / 159,648.48-220,316.40-88,031.07

Finding the Fourth Proportional to 159,648.48, 220,316.40 and 88,031.07

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Solution

The fourth proportional to 159,648.48, 220,316.40 and 88,031.07 is: 121,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,648.48 : 220,316.40 = 88,031.07 : x
  2. Step 2: Convert to fraction form
    159,648.48/220,316.40 = 88,031.07/x
  3. Step 3: Cross multiply
    159,648.48x = 220,316.40 × 88,031.07
  4. Step 4: Simplify right side
    159,648.48x = 19,394,688,430.55
  5. Step 5: Solve for x
    x = 19,394,688,430.55/159,648.48
  6. Step 6: Final answer
    x = 121,483.70

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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.