Home / 145,159.36-200,286.48-84,706.24

Finding the Fourth Proportional to 145,159.36, 200,286.48 and 84,706.24

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Solution

The fourth proportional to 145,159.36, 200,286.48 and 84,706.24 is: 116,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,159.36 : 200,286.48 = 84,706.24 : x
  2. Step 2: Convert to fraction form
    145,159.36/200,286.48 = 84,706.24/x
  3. Step 3: Cross multiply
    145,159.36x = 200,286.48 × 84,706.24
  4. Step 4: Simplify right side
    145,159.36x = 16,965,514,643.64
  5. Step 5: Solve for x
    x = 16,965,514,643.64/145,159.36
  6. Step 6: Final answer
    x = 116,875.10

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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.