Home / 142,987.36-214,482.64-43,148.50

Finding the Fourth Proportional to 142,987.36, 214,482.64 and 43,148.50

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Solution

The fourth proportional to 142,987.36, 214,482.64 and 43,148.50 is: 64,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,987.36 : 214,482.64 = 43,148.50 : x
  2. Step 2: Convert to fraction form
    142,987.36/214,482.64 = 43,148.50/x
  3. Step 3: Cross multiply
    142,987.36x = 214,482.64 × 43,148.50
  4. Step 4: Simplify right side
    142,987.36x = 9,254,604,192.04
  5. Step 5: Solve for x
    x = 9,254,604,192.04/142,987.36
  6. Step 6: Final answer
    x = 64,723.23

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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.