Home / 140,050.47-193,271.96-76,388.28

Finding the Fourth Proportional to 140,050.47, 193,271.96 and 76,388.28

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Solution

The fourth proportional to 140,050.47, 193,271.96 and 76,388.28 is: 105,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.47 : 193,271.96 = 76,388.28 : x
  2. Step 2: Convert to fraction form
    140,050.47/193,271.96 = 76,388.28/x
  3. Step 3: Cross multiply
    140,050.47x = 193,271.96 × 76,388.28
  4. Step 4: Simplify right side
    140,050.47x = 14,763,712,062.83
  5. Step 5: Solve for x
    x = 14,763,712,062.83/140,050.47
  6. Step 6: Final answer
    x = 105,417.08

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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.