Home / 108,655.02-150,030.63-72,875.70

Finding the Fourth Proportional to 108,655.02, 150,030.63 and 72,875.70

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Solution

The fourth proportional to 108,655.02, 150,030.63 and 72,875.70 is: 100,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.02 : 150,030.63 = 72,875.70 : x
  2. Step 2: Convert to fraction form
    108,655.02/150,030.63 = 72,875.70/x
  3. Step 3: Cross multiply
    108,655.02x = 150,030.63 × 72,875.70
  4. Step 4: Simplify right side
    108,655.02x = 10,933,587,182.69
  5. Step 5: Solve for x
    x = 10,933,587,182.69/108,655.02
  6. Step 6: Final answer
    x = 100,626.62

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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.