Home / 103,395.95-142,686.98-58,073.93

Finding the Fourth Proportional to 103,395.95, 142,686.98 and 58,073.93

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Solution

The fourth proportional to 103,395.95, 142,686.98 and 58,073.93 is: 80,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,395.95 : 142,686.98 = 58,073.93 : x
  2. Step 2: Convert to fraction form
    103,395.95/142,686.98 = 58,073.93/x
  3. Step 3: Cross multiply
    103,395.95x = 142,686.98 × 58,073.93
  4. Step 4: Simplify right side
    103,395.95x = 8,286,393,972.56
  5. Step 5: Solve for x
    x = 8,286,393,972.56/103,395.95
  6. Step 6: Final answer
    x = 80,142.35

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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.