Home / 124,318.86-171,560.25-70,603.87

Finding the Fourth Proportional to 124,318.86, 171,560.25 and 70,603.87

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Solution

The fourth proportional to 124,318.86, 171,560.25 and 70,603.87 is: 97,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.86 : 171,560.25 = 70,603.87 : x
  2. Step 2: Convert to fraction form
    124,318.86/171,560.25 = 70,603.87/x
  3. Step 3: Cross multiply
    124,318.86x = 171,560.25 × 70,603.87
  4. Step 4: Simplify right side
    124,318.86x = 12,112,817,588.17
  5. Step 5: Solve for x
    x = 12,112,817,588.17/124,318.86
  6. Step 6: Final answer
    x = 97,433.47

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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.