Home / 248,055.40-342,314.13-134,878.15

Finding the Fourth Proportional to 248,055.40, 342,314.13 and 134,878.15

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Solution

The fourth proportional to 248,055.40, 342,314.13 and 134,878.15 is: 186,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,055.40 : 342,314.13 = 134,878.15 : x
  2. Step 2: Convert to fraction form
    248,055.40/342,314.13 = 134,878.15/x
  3. Step 3: Cross multiply
    248,055.40x = 342,314.13 × 134,878.15
  4. Step 4: Simplify right side
    248,055.40x = 46,170,696,573.26
  5. Step 5: Solve for x
    x = 46,170,696,573.26/248,055.40
  6. Step 6: Final answer
    x = 186,130.58

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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.