Home / 122,243.64-183,368.02-39,137.40

Finding the Fourth Proportional to 122,243.64, 183,368.02 and 39,137.40

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Solution

The fourth proportional to 122,243.64, 183,368.02 and 39,137.40 is: 58,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243.64 : 183,368.02 = 39,137.40 : x
  2. Step 2: Convert to fraction form
    122,243.64/183,368.02 = 39,137.40/x
  3. Step 3: Cross multiply
    122,243.64x = 183,368.02 × 39,137.40
  4. Step 4: Simplify right side
    122,243.64x = 7,176,547,545.95
  5. Step 5: Solve for x
    x = 7,176,547,545.95/122,243.64
  6. Step 6: Final answer
    x = 58,706.92

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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.