Home / 112,210.48-154,849.68-63,812.40

Finding the Fourth Proportional to 112,210.48, 154,849.68 and 63,812.40

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Solution

The fourth proportional to 112,210.48, 154,849.68 and 63,812.40 is: 88,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,210.48 : 154,849.68 = 63,812.40 : x
  2. Step 2: Convert to fraction form
    112,210.48/154,849.68 = 63,812.40/x
  3. Step 3: Cross multiply
    112,210.48x = 154,849.68 × 63,812.40
  4. Step 4: Simplify right side
    112,210.48x = 9,881,329,720.03
  5. Step 5: Solve for x
    x = 9,881,329,720.03/112,210.48
  6. Step 6: Final answer
    x = 88,060.67

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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.