Home / 248,779.96-343,312.86-135,603.16

Finding the Fourth Proportional to 248,779.96, 343,312.86 and 135,603.16

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Solution

The fourth proportional to 248,779.96, 343,312.86 and 135,603.16 is: 187,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,779.96 : 343,312.86 = 135,603.16 : x
  2. Step 2: Convert to fraction form
    248,779.96/343,312.86 = 135,603.16/x
  3. Step 3: Cross multiply
    248,779.96x = 343,312.86 × 135,603.16
  4. Step 4: Simplify right side
    248,779.96x = 46,554,308,684.64
  5. Step 5: Solve for x
    x = 46,554,308,684.64/248,779.96
  6. Step 6: Final answer
    x = 187,130.46

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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.