Home / 125,389.89-173,038.06-71,676.08

Finding the Fourth Proportional to 125,389.89, 173,038.06 and 71,676.08

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Solution

The fourth proportional to 125,389.89, 173,038.06 and 71,676.08 is: 98,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,389.89 : 173,038.06 = 71,676.08 : x
  2. Step 2: Convert to fraction form
    125,389.89/173,038.06 = 71,676.08/x
  3. Step 3: Cross multiply
    125,389.89x = 173,038.06 × 71,676.08
  4. Step 4: Simplify right side
    125,389.89x = 12,402,689,831.60
  5. Step 5: Solve for x
    x = 12,402,689,831.60/125,389.89
  6. Step 6: Final answer
    x = 98,913.00

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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.