Home / 238,413.38-329,014.10-130,985.51

Finding the Fourth Proportional to 238,413.38, 329,014.10 and 130,985.51

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Solution

The fourth proportional to 238,413.38, 329,014.10 and 130,985.51 is: 180,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,413.38 : 329,014.10 = 130,985.51 : x
  2. Step 2: Convert to fraction form
    238,413.38/329,014.10 = 130,985.51/x
  3. Step 3: Cross multiply
    238,413.38x = 329,014.10 × 130,985.51
  4. Step 4: Simplify right side
    238,413.38x = 43,096,078,368.08
  5. Step 5: Solve for x
    x = 43,096,078,368.08/238,413.38
  6. Step 6: Final answer
    x = 180,762.00

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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.