Home / 97,242.60-145,572.30-57,779.40

Finding the Fourth Proportional to 97,242.60, 145,572.30 and 57,779.40

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Solution

The fourth proportional to 97,242.60, 145,572.30 and 57,779.40 is: 86,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,242.60 : 145,572.30 = 57,779.40 : x
  2. Step 2: Convert to fraction form
    97,242.60/145,572.30 = 57,779.40/x
  3. Step 3: Cross multiply
    97,242.60x = 145,572.30 × 57,779.40
  4. Step 4: Simplify right side
    97,242.60x = 8,411,080,150.62
  5. Step 5: Solve for x
    x = 8,411,080,150.62/97,242.60
  6. Step 6: Final answer
    x = 86,495.84

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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.