Home / 98,779.48-136,314.62-53,456.46

Finding the Fourth Proportional to 98,779.48, 136,314.62 and 53,456.46

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Solution

The fourth proportional to 98,779.48, 136,314.62 and 53,456.46 is: 73,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779.48 : 136,314.62 = 53,456.46 : x
  2. Step 2: Convert to fraction form
    98,779.48/136,314.62 = 53,456.46/x
  3. Step 3: Cross multiply
    98,779.48x = 136,314.62 × 53,456.46
  4. Step 4: Simplify right side
    98,779.48x = 7,286,897,031.45
  5. Step 5: Solve for x
    x = 7,286,897,031.45/98,779.48
  6. Step 6: Final answer
    x = 73,769.34

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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.