Home / 151,373.50-208,901.91-84,305.50

Finding the Fourth Proportional to 151,373.50, 208,901.91 and 84,305.50

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Solution

The fourth proportional to 151,373.50, 208,901.91 and 84,305.50 is: 116,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,373.50 : 208,901.91 = 84,305.50 : x
  2. Step 2: Convert to fraction form
    151,373.50/208,901.91 = 84,305.50/x
  3. Step 3: Cross multiply
    151,373.50x = 208,901.91 × 84,305.50
  4. Step 4: Simplify right side
    151,373.50x = 17,611,579,973.51
  5. Step 5: Solve for x
    x = 17,611,579,973.51/151,373.50
  6. Step 6: Final answer
    x = 116,345.20

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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.