Home / 105,036.47-144,950.24-57,289.67

Finding the Fourth Proportional to 105,036.47, 144,950.24 and 57,289.67

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Solution

The fourth proportional to 105,036.47, 144,950.24 and 57,289.67 is: 79,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,036.47 : 144,950.24 = 57,289.67 : x
  2. Step 2: Convert to fraction form
    105,036.47/144,950.24 = 57,289.67/x
  3. Step 3: Cross multiply
    105,036.47x = 144,950.24 × 57,289.67
  4. Step 4: Simplify right side
    105,036.47x = 8,304,151,416.02
  5. Step 5: Solve for x
    x = 8,304,151,416.02/105,036.47
  6. Step 6: Final answer
    x = 79,059.70

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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.