Home / 249,995.49-345,000.66-142,583.01

Finding the Fourth Proportional to 249,995.49, 345,000.66 and 142,583.01

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Solution

The fourth proportional to 249,995.49, 345,000.66 and 142,583.01 is: 196,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,995.49 : 345,000.66 = 142,583.01 : x
  2. Step 2: Convert to fraction form
    249,995.49/345,000.66 = 142,583.01/x
  3. Step 3: Cross multiply
    249,995.49x = 345,000.66 × 142,583.01
  4. Step 4: Simplify right side
    249,995.49x = 49,191,232,554.79
  5. Step 5: Solve for x
    x = 49,191,232,554.79/249,995.49
  6. Step 6: Final answer
    x = 196,768.48

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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.