Home / 102,427.42-141,381.08-59,417.78

Finding the Fourth Proportional to 102,427.42, 141,381.08 and 59,417.78

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Solution

The fourth proportional to 102,427.42, 141,381.08 and 59,417.78 is: 82,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,427.42 : 141,381.08 = 59,417.78 : x
  2. Step 2: Convert to fraction form
    102,427.42/141,381.08 = 59,417.78/x
  3. Step 3: Cross multiply
    102,427.42x = 141,381.08 × 59,417.78
  4. Step 4: Simplify right side
    102,427.42x = 8,400,549,907.60
  5. Step 5: Solve for x
    x = 8,400,549,907.60/102,427.42
  6. Step 6: Final answer
    x = 82,014.66

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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.