Home / 102,079.04-140,875.46-56,767.16

Finding the Fourth Proportional to 102,079.04, 140,875.46 and 56,767.16

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Solution

The fourth proportional to 102,079.04, 140,875.46 and 56,767.16 is: 78,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.04 : 140,875.46 = 56,767.16 : x
  2. Step 2: Convert to fraction form
    102,079.04/140,875.46 = 56,767.16/x
  3. Step 3: Cross multiply
    102,079.04x = 140,875.46 × 56,767.16
  4. Step 4: Simplify right side
    102,079.04x = 7,997,099,777.89
  5. Step 5: Solve for x
    x = 7,997,099,777.89/102,079.04
  6. Step 6: Final answer
    x = 78,342.23

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1.5x scale

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.