Home / 242,701.06-334,938.93-135,271.86

Finding the Fourth Proportional to 242,701.06, 334,938.93 and 135,271.86

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Solution

The fourth proportional to 242,701.06, 334,938.93 and 135,271.86 is: 186,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,701.06 : 334,938.93 = 135,271.86 : x
  2. Step 2: Convert to fraction form
    242,701.06/334,938.93 = 135,271.86/x
  3. Step 3: Cross multiply
    242,701.06x = 334,938.93 × 135,271.86
  4. Step 4: Simplify right side
    242,701.06x = 45,307,812,047.51
  5. Step 5: Solve for x
    x = 45,307,812,047.51/242,701.06
  6. Step 6: Final answer
    x = 186,681.56

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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.