Home / 180,637.40-249,276.34-100,064.67

Finding the Fourth Proportional to 180,637.40, 249,276.34 and 100,064.67

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Solution

The fourth proportional to 180,637.40, 249,276.34 and 100,064.67 is: 138,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,637.40 : 249,276.34 = 100,064.67 : x
  2. Step 2: Convert to fraction form
    180,637.40/249,276.34 = 100,064.67/x
  3. Step 3: Cross multiply
    180,637.40x = 249,276.34 × 100,064.67
  4. Step 4: Simplify right side
    180,637.40x = 24,943,754,700.91
  5. Step 5: Solve for x
    x = 24,943,754,700.91/180,637.40
  6. Step 6: Final answer
    x = 138,087.44

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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.