Home / 152,399.34-210,116.16-104,569.65

Finding the Fourth Proportional to 152,399.34, 210,116.16 and 104,569.65

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Solution

The fourth proportional to 152,399.34, 210,116.16 and 104,569.65 is: 144,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,399.34 : 210,116.16 = 104,569.65 : x
  2. Step 2: Convert to fraction form
    152,399.34/210,116.16 = 104,569.65/x
  3. Step 3: Cross multiply
    152,399.34x = 210,116.16 × 104,569.65
  4. Step 4: Simplify right side
    152,399.34x = 21,971,773,310.54
  5. Step 5: Solve for x
    x = 21,971,773,310.54/152,399.34
  6. Step 6: Final answer
    x = 144,172.37

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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.