Home / 122,565.30-183,847.95-69,980.10

Finding the Fourth Proportional to 122,565.30, 183,847.95 and 69,980.10

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Solution

The fourth proportional to 122,565.30, 183,847.95 and 69,980.10 is: 104,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,565.30 : 183,847.95 = 69,980.10 : x
  2. Step 2: Convert to fraction form
    122,565.30/183,847.95 = 69,980.10/x
  3. Step 3: Cross multiply
    122,565.30x = 183,847.95 × 69,980.10
  4. Step 4: Simplify right side
    122,565.30x = 12,865,697,925.80
  5. Step 5: Solve for x
    x = 12,865,697,925.80/122,565.30
  6. Step 6: Final answer
    x = 104,970.15

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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.