Home / 125,567.34-173,328.40-83,139.54

Finding the Fourth Proportional to 125,567.34, 173,328.40 and 83,139.54

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Solution

The fourth proportional to 125,567.34, 173,328.40 and 83,139.54 is: 114,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,567.34 : 173,328.40 = 83,139.54 : x
  2. Step 2: Convert to fraction form
    125,567.34/173,328.40 = 83,139.54/x
  3. Step 3: Cross multiply
    125,567.34x = 173,328.40 × 83,139.54
  4. Step 4: Simplify right side
    125,567.34x = 14,410,443,444.94
  5. Step 5: Solve for x
    x = 14,410,443,444.94/125,567.34
  6. Step 6: Final answer
    x = 114,762.67

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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.