Home / 123,320.02-170,262.04-75,599.68

Finding the Fourth Proportional to 123,320.02, 170,262.04 and 75,599.68

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Solution

The fourth proportional to 123,320.02, 170,262.04 and 75,599.68 is: 104,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,320.02 : 170,262.04 = 75,599.68 : x
  2. Step 2: Convert to fraction form
    123,320.02/170,262.04 = 75,599.68/x
  3. Step 3: Cross multiply
    123,320.02x = 170,262.04 × 75,599.68
  4. Step 4: Simplify right side
    123,320.02x = 12,871,754,888.84
  5. Step 5: Solve for x
    x = 12,871,754,888.84/123,320.02
  6. Step 6: Final answer
    x = 104,376.85

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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.