Home / 133,699.28-184,510.13-76,347.95

Finding the Fourth Proportional to 133,699.28, 184,510.13 and 76,347.95

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Solution

The fourth proportional to 133,699.28, 184,510.13 and 76,347.95 is: 105,363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,699.28 : 184,510.13 = 76,347.95 : x
  2. Step 2: Convert to fraction form
    133,699.28/184,510.13 = 76,347.95/x
  3. Step 3: Cross multiply
    133,699.28x = 184,510.13 × 76,347.95
  4. Step 4: Simplify right side
    133,699.28x = 14,086,968,875.44
  5. Step 5: Solve for x
    x = 14,086,968,875.44/133,699.28
  6. Step 6: Final answer
    x = 105,363.09

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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.