Home / 103,483.19-142,818.65-57,547.42

Finding the Fourth Proportional to 103,483.19, 142,818.65 and 57,547.42

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Solution

The fourth proportional to 103,483.19, 142,818.65 and 57,547.42 is: 79,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.19 : 142,818.65 = 57,547.42 : x
  2. Step 2: Convert to fraction form
    103,483.19/142,818.65 = 57,547.42/x
  3. Step 3: Cross multiply
    103,483.19x = 142,818.65 × 57,547.42
  4. Step 4: Simplify right side
    103,483.19x = 8,218,844,190.60
  5. Step 5: Solve for x
    x = 8,218,844,190.60/103,483.19
  6. Step 6: Final answer
    x = 79,422.02

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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.