Home / 140,877.93-211,247.76-69,718.35

Finding the Fourth Proportional to 140,877.93, 211,247.76 and 69,718.35

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Solution

The fourth proportional to 140,877.93, 211,247.76 and 69,718.35 is: 104,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,877.93 : 211,247.76 = 69,718.35 : x
  2. Step 2: Convert to fraction form
    140,877.93/211,247.76 = 69,718.35/x
  3. Step 3: Cross multiply
    140,877.93x = 211,247.76 × 69,718.35
  4. Step 4: Simplify right side
    140,877.93x = 14,727,845,268.40
  5. Step 5: Solve for x
    x = 14,727,845,268.40/140,877.93
  6. Step 6: Final answer
    x = 104,543.31

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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.