Home / 152,140.10-228,210.15-112,774.10

Finding the Fourth Proportional to 152,140.10, 228,210.15 and 112,774.10

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Solution

The fourth proportional to 152,140.10, 228,210.15 and 112,774.10 is: 169,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,140.10 : 228,210.15 = 112,774.10 : x
  2. Step 2: Convert to fraction form
    152,140.10/228,210.15 = 112,774.10/x
  3. Step 3: Cross multiply
    152,140.10x = 228,210.15 × 112,774.10
  4. Step 4: Simplify right side
    152,140.10x = 25,736,194,277.12
  5. Step 5: Solve for x
    x = 25,736,194,277.12/152,140.10
  6. Step 6: Final answer
    x = 169,161.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.