Home / 109,353.07-163,430.44-79,833.07

Finding the Fourth Proportional to 109,353.07, 163,430.44 and 79,833.07

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Solution

The fourth proportional to 109,353.07, 163,430.44 and 79,833.07 is: 119,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,353.07 : 163,430.44 = 79,833.07 : x
  2. Step 2: Convert to fraction form
    109,353.07/163,430.44 = 79,833.07/x
  3. Step 3: Cross multiply
    109,353.07x = 163,430.44 × 79,833.07
  4. Step 4: Simplify right side
    109,353.07x = 13,047,153,756.65
  5. Step 5: Solve for x
    x = 13,047,153,756.65/109,353.07
  6. Step 6: Final answer
    x = 119,312.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.