Home / 152,199.72-210,035.86-84,219.55

Finding the Fourth Proportional to 152,199.72, 210,035.86 and 84,219.55

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Solution

The fourth proportional to 152,199.72, 210,035.86 and 84,219.55 is: 116,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,199.72 : 210,035.86 = 84,219.55 : x
  2. Step 2: Convert to fraction form
    152,199.72/210,035.86 = 84,219.55/x
  3. Step 3: Cross multiply
    152,199.72x = 210,035.86 × 84,219.55
  4. Step 4: Simplify right side
    152,199.72x = 17,689,124,877.42
  5. Step 5: Solve for x
    x = 17,689,124,877.42/152,199.72
  6. Step 6: Final answer
    x = 116,223.11

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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.