Home / 147,854.34-204,038.78-84,192.13

Finding the Fourth Proportional to 147,854.34, 204,038.78 and 84,192.13

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Solution

The fourth proportional to 147,854.34, 204,038.78 and 84,192.13 is: 116,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.34 : 204,038.78 = 84,192.13 : x
  2. Step 2: Convert to fraction form
    147,854.34/204,038.78 = 84,192.13/x
  3. Step 3: Cross multiply
    147,854.34x = 204,038.78 × 84,192.13
  4. Step 4: Simplify right side
    147,854.34x = 17,178,460,727.51
  5. Step 5: Solve for x
    x = 17,178,460,727.51/147,854.34
  6. Step 6: Final answer
    x = 116,185.03

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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.