Home / 152,622.28-210,612.88-84,642.04

Finding the Fourth Proportional to 152,622.28, 210,612.88 and 84,642.04

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Solution

The fourth proportional to 152,622.28, 210,612.88 and 84,642.04 is: 116,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,622.28 : 210,612.88 = 84,642.04 : x
  2. Step 2: Convert to fraction form
    152,622.28/210,612.88 = 84,642.04/x
  3. Step 3: Cross multiply
    152,622.28x = 210,612.88 × 84,642.04
  4. Step 4: Simplify right side
    152,622.28x = 17,826,703,813.48
  5. Step 5: Solve for x
    x = 17,826,703,813.48/152,622.28
  6. Step 6: Final answer
    x = 116,802.76

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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.