Home / 211,156.06-316,754.70-61,397.50

Finding the Fourth Proportional to 211,156.06, 316,754.70 and 61,397.50

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Solution

The fourth proportional to 211,156.06, 316,754.70 and 61,397.50 is: 92,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,156.06 : 316,754.70 = 61,397.50 : x
  2. Step 2: Convert to fraction form
    211,156.06/316,754.70 = 61,397.50/x
  3. Step 3: Cross multiply
    211,156.06x = 316,754.70 × 61,397.50
  4. Step 4: Simplify right side
    211,156.06x = 19,447,946,693.25
  5. Step 5: Solve for x
    x = 19,447,946,693.25/211,156.06
  6. Step 6: Final answer
    x = 92,102.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.