Home / 101,746.08-140,406.93-56,423.97

Finding the Fourth Proportional to 101,746.08, 140,406.93 and 56,423.97

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Solution

The fourth proportional to 101,746.08, 140,406.93 and 56,423.97 is: 77,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,746.08 : 140,406.93 = 56,423.97 : x
  2. Step 2: Convert to fraction form
    101,746.08/140,406.93 = 56,423.97/x
  3. Step 3: Cross multiply
    101,746.08x = 140,406.93 × 56,423.97
  4. Step 4: Simplify right side
    101,746.08x = 7,922,316,406.11
  5. Step 5: Solve for x
    x = 7,922,316,406.11/101,746.08
  6. Step 6: Final answer
    x = 77,863.60

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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.