Home / 103,265.06-142,507.95-57,946.32

Finding the Fourth Proportional to 103,265.06, 142,507.95 and 57,946.32

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Solution

The fourth proportional to 103,265.06, 142,507.95 and 57,946.32 is: 79,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,265.06 : 142,507.95 = 57,946.32 : x
  2. Step 2: Convert to fraction form
    103,265.06/142,507.95 = 57,946.32/x
  3. Step 3: Cross multiply
    103,265.06x = 142,507.95 × 57,946.32
  4. Step 4: Simplify right side
    103,265.06x = 8,257,811,273.24
  5. Step 5: Solve for x
    x = 8,257,811,273.24/103,265.06
  6. Step 6: Final answer
    x = 79,967.14

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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.