Home / 102,924.80-142,038.76-57,602.42

Finding the Fourth Proportional to 102,924.80, 142,038.76 and 57,602.42

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Solution

The fourth proportional to 102,924.80, 142,038.76 and 57,602.42 is: 79,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,924.80 : 142,038.76 = 57,602.42 : x
  2. Step 2: Convert to fraction form
    102,924.80/142,038.76 = 57,602.42/x
  3. Step 3: Cross multiply
    102,924.80x = 142,038.76 × 57,602.42
  4. Step 4: Simplify right side
    102,924.80x = 8,181,776,309.80
  5. Step 5: Solve for x
    x = 8,181,776,309.80/102,924.80
  6. Step 6: Final answer
    x = 79,492.76

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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.