Home / 152,396.10-210,290.58-84,411.25

Finding the Fourth Proportional to 152,396.10, 210,290.58 and 84,411.25

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Solution

The fourth proportional to 152,396.10, 210,290.58 and 84,411.25 is: 116,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,396.10 : 210,290.58 = 84,411.25 : x
  2. Step 2: Convert to fraction form
    152,396.10/210,290.58 = 84,411.25/x
  3. Step 3: Cross multiply
    152,396.10x = 210,290.58 × 84,411.25
  4. Step 4: Simplify right side
    152,396.10x = 17,750,890,195.30
  5. Step 5: Solve for x
    x = 17,750,890,195.30/152,396.10
  6. Step 6: Final answer
    x = 116,478.64

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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.