Home / 133,510.34-184,242.81-76,148.18

Finding the Fourth Proportional to 133,510.34, 184,242.81 and 76,148.18

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Solution

The fourth proportional to 133,510.34, 184,242.81 and 76,148.18 is: 105,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,510.34 : 184,242.81 = 76,148.18 : x
  2. Step 2: Convert to fraction form
    133,510.34/184,242.81 = 76,148.18/x
  3. Step 3: Cross multiply
    133,510.34x = 184,242.81 × 76,148.18
  4. Step 4: Simplify right side
    133,510.34x = 14,029,754,714.84
  5. Step 5: Solve for x
    x = 14,029,754,714.84/133,510.34
  6. Step 6: Final answer
    x = 105,083.65

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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.