Home / 145,378.39-218,067.63-59,988.00

Finding the Fourth Proportional to 145,378.39, 218,067.63 and 59,988.00

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Solution

The fourth proportional to 145,378.39, 218,067.63 and 59,988.00 is: 89,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,378.39 : 218,067.63 = 59,988.00 : x
  2. Step 2: Convert to fraction form
    145,378.39/218,067.63 = 59,988.00/x
  3. Step 3: Cross multiply
    145,378.39x = 218,067.63 × 59,988.00
  4. Step 4: Simplify right side
    145,378.39x = 13,081,439,598.16
  5. Step 5: Solve for x
    x = 13,081,439,598.16/145,378.39
  6. Step 6: Final answer
    x = 89,982.01

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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.