Home / 133,987.50-184,903.47-83,715.66

Finding the Fourth Proportional to 133,987.50, 184,903.47 and 83,715.66

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Solution

The fourth proportional to 133,987.50, 184,903.47 and 83,715.66 is: 115,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,987.50 : 184,903.47 = 83,715.66 : x
  2. Step 2: Convert to fraction form
    133,987.50/184,903.47 = 83,715.66/x
  3. Step 3: Cross multiply
    133,987.50x = 184,903.47 × 83,715.66
  4. Step 4: Simplify right side
    133,987.50x = 15,479,316,027.34
  5. Step 5: Solve for x
    x = 15,479,316,027.34/133,987.50
  6. Step 6: Final answer
    x = 115,528.06

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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.