Home / 152,429.40-210,340.21-84,449.24

Finding the Fourth Proportional to 152,429.40, 210,340.21 and 84,449.24

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Solution

The fourth proportional to 152,429.40, 210,340.21 and 84,449.24 is: 116,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,429.40 : 210,340.21 = 84,449.24 : x
  2. Step 2: Convert to fraction form
    152,429.40/210,340.21 = 84,449.24/x
  3. Step 3: Cross multiply
    152,429.40x = 210,340.21 × 84,449.24
  4. Step 4: Simplify right side
    152,429.40x = 17,763,069,401.99
  5. Step 5: Solve for x
    x = 17,763,069,401.99/152,429.40
  6. Step 6: Final answer
    x = 116,533.10

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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.