Home / 142,987.24-214,482.51-43,148.30

Finding the Fourth Proportional to 142,987.24, 214,482.51 and 43,148.30

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Solution

The fourth proportional to 142,987.24, 214,482.51 and 43,148.30 is: 64,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,987.24 : 214,482.51 = 43,148.30 : x
  2. Step 2: Convert to fraction form
    142,987.24/214,482.51 = 43,148.30/x
  3. Step 3: Cross multiply
    142,987.24x = 214,482.51 × 43,148.30
  4. Step 4: Simplify right side
    142,987.24x = 9,254,554,492.47
  5. Step 5: Solve for x
    x = 9,254,554,492.47/142,987.24
  6. Step 6: Final answer
    x = 64,722.94

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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.