Home / 156,479.04-215,953-88,497.36

Finding the Fourth Proportional to 156,479.04, 215,953 and 88,497.36

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Solution

The fourth proportional to 156,479.04, 215,953 and 88,497.36 is: 122,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,479.04 : 215,953 = 88,497.36 : x
  2. Step 2: Convert to fraction form
    156,479.04/215,953 = 88,497.36/x
  3. Step 3: Cross multiply
    156,479.04x = 215,953 × 88,497.36
  4. Step 4: Simplify right side
    156,479.04x = 19,111,270,384.08
  5. Step 5: Solve for x
    x = 19,111,270,384.08/156,479.04
  6. Step 6: Final answer
    x = 122,133.10

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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.