Home / 248,054.40-342,312.75-134,877.15

Finding the Fourth Proportional to 248,054.40, 342,312.75 and 134,877.15

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Solution

The fourth proportional to 248,054.40, 342,312.75 and 134,877.15 is: 186,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,054.40 : 342,312.75 = 134,877.15 : x
  2. Step 2: Convert to fraction form
    248,054.40/342,312.75 = 134,877.15/x
  3. Step 3: Cross multiply
    248,054.40x = 342,312.75 × 134,877.15
  4. Step 4: Simplify right side
    248,054.40x = 46,170,168,128.66
  5. Step 5: Solve for x
    x = 46,170,168,128.66/248,054.40
  6. Step 6: Final answer
    x = 186,129.20

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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.