Home / 122,209.04-168,639.13-68,483.67

Finding the Fourth Proportional to 122,209.04, 168,639.13 and 68,483.67

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Solution

The fourth proportional to 122,209.04, 168,639.13 and 68,483.67 is: 94,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,209.04 : 168,639.13 = 68,483.67 : x
  2. Step 2: Convert to fraction form
    122,209.04/168,639.13 = 68,483.67/x
  3. Step 3: Cross multiply
    122,209.04x = 168,639.13 × 68,483.67
  4. Step 4: Simplify right side
    122,209.04x = 11,549,026,528.01
  5. Step 5: Solve for x
    x = 11,549,026,528.01/122,209.04
  6. Step 6: Final answer
    x = 94,502.23

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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.