Home / 103,283.60-142,509.24-67,526.12

Finding the Fourth Proportional to 103,283.60, 142,509.24 and 67,526.12

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Solution

The fourth proportional to 103,283.60, 142,509.24 and 67,526.12 is: 93,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,283.60 : 142,509.24 = 67,526.12 : x
  2. Step 2: Convert to fraction form
    103,283.60/142,509.24 = 67,526.12/x
  3. Step 3: Cross multiply
    103,283.60x = 142,509.24 × 67,526.12
  4. Step 4: Simplify right side
    103,283.60x = 9,623,096,041.35
  5. Step 5: Solve for x
    x = 9,623,096,041.35/103,283.60
  6. Step 6: Final answer
    x = 93,171.58

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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.