Home / 116,403.15-160,637.40-70,463.85

Finding the Fourth Proportional to 116,403.15, 160,637.40 and 70,463.85

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Solution

The fourth proportional to 116,403.15, 160,637.40 and 70,463.85 is: 97,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,403.15 : 160,637.40 = 70,463.85 : x
  2. Step 2: Convert to fraction form
    116,403.15/160,637.40 = 70,463.85/x
  3. Step 3: Cross multiply
    116,403.15x = 160,637.40 × 70,463.85
  4. Step 4: Simplify right side
    116,403.15x = 11,319,129,657.99
  5. Step 5: Solve for x
    x = 11,319,129,657.99/116,403.15
  6. Step 6: Final answer
    x = 97,240.75

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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.