Home / 163,507.50-245,254.35-56,915.75

Finding the Fourth Proportional to 163,507.50, 245,254.35 and 56,915.75

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Solution

The fourth proportional to 163,507.50, 245,254.35 and 56,915.75 is: 85,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,507.50 : 245,254.35 = 56,915.75 : x
  2. Step 2: Convert to fraction form
    163,507.50/245,254.35 = 56,915.75/x
  3. Step 3: Cross multiply
    163,507.50x = 245,254.35 × 56,915.75
  4. Step 4: Simplify right side
    163,507.50x = 13,958,834,044.74
  5. Step 5: Solve for x
    x = 13,958,834,044.74/163,507.50
  6. Step 6: Final answer
    x = 85,371.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.