Home / 183,557.12-253,312.74-102,990.47

Finding the Fourth Proportional to 183,557.12, 253,312.74 and 102,990.47

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Solution

The fourth proportional to 183,557.12, 253,312.74 and 102,990.47 is: 142,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,557.12 : 253,312.74 = 102,990.47 : x
  2. Step 2: Convert to fraction form
    183,557.12/253,312.74 = 102,990.47/x
  3. Step 3: Cross multiply
    183,557.12x = 253,312.74 × 102,990.47
  4. Step 4: Simplify right side
    183,557.12x = 26,088,796,883.02
  5. Step 5: Solve for x
    x = 26,088,796,883.02/183,557.12
  6. Step 6: Final answer
    x = 142,129.04

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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.