Home / 133,045.04-183,600.72-72,615.18

Finding the Fourth Proportional to 133,045.04, 183,600.72 and 72,615.18

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Solution

The fourth proportional to 133,045.04, 183,600.72 and 72,615.18 is: 100,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.04 : 183,600.72 = 72,615.18 : x
  2. Step 2: Convert to fraction form
    133,045.04/183,600.72 = 72,615.18/x
  3. Step 3: Cross multiply
    133,045.04x = 183,600.72 × 72,615.18
  4. Step 4: Simplify right side
    133,045.04x = 13,332,199,330.93
  5. Step 5: Solve for x
    x = 13,332,199,330.93/133,045.04
  6. Step 6: Final answer
    x = 100,208.17

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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.