Home / 152,140.65-209,937.93-84,146.82

Finding the Fourth Proportional to 152,140.65, 209,937.93 and 84,146.82

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Solution

The fourth proportional to 152,140.65, 209,937.93 and 84,146.82 is: 116,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,140.65 : 209,937.93 = 84,146.82 : x
  2. Step 2: Convert to fraction form
    152,140.65/209,937.93 = 84,146.82/x
  3. Step 3: Cross multiply
    152,140.65x = 209,937.93 × 84,146.82
  4. Step 4: Simplify right side
    152,140.65x = 17,665,609,206.88
  5. Step 5: Solve for x
    x = 17,665,609,206.88/152,140.65
  6. Step 6: Final answer
    x = 116,113.67

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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.