Home / 119,529.30-164,950.93-71,783.45

Finding the Fourth Proportional to 119,529.30, 164,950.93 and 71,783.45

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Solution

The fourth proportional to 119,529.30, 164,950.93 and 71,783.45 is: 99,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,529.30 : 164,950.93 = 71,783.45 : x
  2. Step 2: Convert to fraction form
    119,529.30/164,950.93 = 71,783.45/x
  3. Step 3: Cross multiply
    119,529.30x = 164,950.93 × 71,783.45
  4. Step 4: Simplify right side
    119,529.30x = 11,840,746,719.65
  5. Step 5: Solve for x
    x = 11,840,746,719.65/119,529.30
  6. Step 6: Final answer
    x = 99,061.45

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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.