Home / 139,572.74-209,445.23-64,678.93

Finding the Fourth Proportional to 139,572.74, 209,445.23 and 64,678.93

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Solution

The fourth proportional to 139,572.74, 209,445.23 and 64,678.93 is: 97,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,572.74 : 209,445.23 = 64,678.93 : x
  2. Step 2: Convert to fraction form
    139,572.74/209,445.23 = 64,678.93/x
  3. Step 3: Cross multiply
    139,572.74x = 209,445.23 × 64,678.93
  4. Step 4: Simplify right side
    139,572.74x = 13,546,692,644.27
  5. Step 5: Solve for x
    x = 13,546,692,644.27/139,572.74
  6. Step 6: Final answer
    x = 97,058.30

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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.