Home / 151,031.22-208,417.65-83,047.62

Finding the Fourth Proportional to 151,031.22, 208,417.65 and 83,047.62

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Solution

The fourth proportional to 151,031.22, 208,417.65 and 83,047.62 is: 114,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,031.22 : 208,417.65 = 83,047.62 : x
  2. Step 2: Convert to fraction form
    151,031.22/208,417.65 = 83,047.62/x
  3. Step 3: Cross multiply
    151,031.22x = 208,417.65 × 83,047.62
  4. Step 4: Simplify right side
    151,031.22x = 17,308,589,798.49
  5. Step 5: Solve for x
    x = 17,308,589,798.49/151,031.22
  6. Step 6: Final answer
    x = 114,602.73

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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.