Home / 99,148.16-136,847.04-56,730.08

Finding the Fourth Proportional to 99,148.16, 136,847.04 and 56,730.08

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Solution

The fourth proportional to 99,148.16, 136,847.04 and 56,730.08 is: 78,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,148.16 : 136,847.04 = 56,730.08 : x
  2. Step 2: Convert to fraction form
    99,148.16/136,847.04 = 56,730.08/x
  3. Step 3: Cross multiply
    99,148.16x = 136,847.04 × 56,730.08
  4. Step 4: Simplify right side
    99,148.16x = 7,763,343,526.96
  5. Step 5: Solve for x
    x = 7,763,343,526.96/99,148.16
  6. Step 6: Final answer
    x = 78,300.43

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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.