Home / 103,602.03-142,957.35-58,278.48

Finding the Fourth Proportional to 103,602.03, 142,957.35 and 58,278.48

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Solution

The fourth proportional to 103,602.03, 142,957.35 and 58,278.48 is: 80,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602.03 : 142,957.35 = 58,278.48 : x
  2. Step 2: Convert to fraction form
    103,602.03/142,957.35 = 58,278.48/x
  3. Step 3: Cross multiply
    103,602.03x = 142,957.35 × 58,278.48
  4. Step 4: Simplify right side
    103,602.03x = 8,331,337,062.83
  5. Step 5: Solve for x
    x = 8,331,337,062.83/103,602.03
  6. Step 6: Final answer
    x = 80,416.74

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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.