Home / 151,973.19-209,712.48-83,989.50

Finding the Fourth Proportional to 151,973.19, 209,712.48 and 83,989.50

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Solution

The fourth proportional to 151,973.19, 209,712.48 and 83,989.50 is: 115,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973.19 : 209,712.48 = 83,989.50 : x
  2. Step 2: Convert to fraction form
    151,973.19/209,712.48 = 83,989.50/x
  3. Step 3: Cross multiply
    151,973.19x = 209,712.48 × 83,989.50
  4. Step 4: Simplify right side
    151,973.19x = 17,613,646,338.96
  5. Step 5: Solve for x
    x = 17,613,646,338.96/151,973.19
  6. Step 6: Final answer
    x = 115,899.69

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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.