Home / 104,938.02-144,814.50-57,191.40

Finding the Fourth Proportional to 104,938.02, 144,814.50 and 57,191.40

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Solution

The fourth proportional to 104,938.02, 144,814.50 and 57,191.40 is: 78,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.02 : 144,814.50 = 57,191.40 : x
  2. Step 2: Convert to fraction form
    104,938.02/144,814.50 = 57,191.40/x
  3. Step 3: Cross multiply
    104,938.02x = 144,814.50 × 57,191.40
  4. Step 4: Simplify right side
    104,938.02x = 8,282,143,995.30
  5. Step 5: Solve for x
    x = 8,282,143,995.30/104,938.02
  6. Step 6: Final answer
    x = 78,924.15

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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.