Home / 130,073.42-179,587.06-84,219.32

Finding the Fourth Proportional to 130,073.42, 179,587.06 and 84,219.32

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Solution

The fourth proportional to 130,073.42, 179,587.06 and 84,219.32 is: 116,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,073.42 : 179,587.06 = 84,219.32 : x
  2. Step 2: Convert to fraction form
    130,073.42/179,587.06 = 84,219.32/x
  3. Step 3: Cross multiply
    130,073.42x = 179,587.06 × 84,219.32
  4. Step 4: Simplify right side
    130,073.42x = 15,124,700,074.00
  5. Step 5: Solve for x
    x = 15,124,700,074.00/130,073.42
  6. Step 6: Final answer
    x = 116,278.18

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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.