Home / 156,574.76-216,071.46-84,956.36

Finding the Fourth Proportional to 156,574.76, 216,071.46 and 84,956.36

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Solution

The fourth proportional to 156,574.76, 216,071.46 and 84,956.36 is: 117,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,574.76 : 216,071.46 = 84,956.36 : x
  2. Step 2: Convert to fraction form
    156,574.76/216,071.46 = 84,956.36/x
  3. Step 3: Cross multiply
    156,574.76x = 216,071.46 × 84,956.36
  4. Step 4: Simplify right side
    156,574.76x = 18,356,644,741.49
  5. Step 5: Solve for x
    x = 18,356,644,741.49/156,574.76
  6. Step 6: Final answer
    x = 117,238.85

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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.