Home / 121,378.07-182,088.98-37,136.65

Finding the Fourth Proportional to 121,378.07, 182,088.98 and 37,136.65

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Solution

The fourth proportional to 121,378.07, 182,088.98 and 37,136.65 is: 55,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,378.07 : 182,088.98 = 37,136.65 : x
  2. Step 2: Convert to fraction form
    121,378.07/182,088.98 = 37,136.65/x
  3. Step 3: Cross multiply
    121,378.07x = 182,088.98 × 37,136.65
  4. Step 4: Simplify right side
    121,378.07x = 6,762,174,719.12
  5. Step 5: Solve for x
    x = 6,762,174,719.12/121,378.07
  6. Step 6: Final answer
    x = 55,711.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.