Home / 122,386.20-183,492.90-47,477.40

Finding the Fourth Proportional to 122,386.20, 183,492.90 and 47,477.40

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Solution

The fourth proportional to 122,386.20, 183,492.90 and 47,477.40 is: 71,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,386.20 : 183,492.90 = 47,477.40 : x
  2. Step 2: Convert to fraction form
    122,386.20/183,492.90 = 47,477.40/x
  3. Step 3: Cross multiply
    122,386.20x = 183,492.90 × 47,477.40
  4. Step 4: Simplify right side
    122,386.20x = 8,711,765,810.46
  5. Step 5: Solve for x
    x = 8,711,765,810.46/122,386.20
  6. Step 6: Final answer
    x = 71,182.58

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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.