Home / 144,842.04-199,888.79-90,426.42

Finding the Fourth Proportional to 144,842.04, 199,888.79 and 90,426.42

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Solution

The fourth proportional to 144,842.04, 199,888.79 and 90,426.42 is: 124,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,842.04 : 199,888.79 = 90,426.42 : x
  2. Step 2: Convert to fraction form
    144,842.04/199,888.79 = 90,426.42/x
  3. Step 3: Cross multiply
    144,842.04x = 199,888.79 × 90,426.42
  4. Step 4: Simplify right side
    144,842.04x = 18,075,227,225.70
  5. Step 5: Solve for x
    x = 18,075,227,225.70/144,842.04
  6. Step 6: Final answer
    x = 124,792.69

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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.